11beta,14,17,21-Tetrahydroxypregn-4-ene-3,20-dione cyclic 14,17-acetal with crotonaldehyde, 21-isonicotinate 11beta,21-Dihydroxy-14alpha,17alpha-(1-propenylmethylendioxy)-4-pregnen-3,20-dion 21-isonicotinat 65415-41-0 EINECS 265-754-7 Nicocortonida [INN-Spanish] Nicocortonide Nicocortonide [INN] Nicocortonidum [INN-Latin] Pregn-4-ene-3,20-dione, 14,17-(2-butenylidenebis(oxy))-11-hydroxy-21-((4-pyridinylcarbonyl)oxy)-, (11beta)-